Full-time Web Developer (work from home)

Answer these screening questions to apply:
What javascript feature on a web page makes a phone vibrate?
What do you think are the top 3 factors in maximizing mobile web loading speeds?

About us:
We are a US advertising agency looking to hire a dedicated web developer to design simple web pages. The most important skills needed are HTML, javascript, jquery, CSS, and some PHP.

We are very generous with bonuses and give them out frequently based on performance.